Home / 54,938.30-82,407.44-19,869.75

Finding the Fourth Proportional to 54,938.30, 82,407.44 and 19,869.75

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Solution

The fourth proportional to 54,938.30, 82,407.44 and 19,869.75 is: 29,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,938.30 : 82,407.44 = 19,869.75 : x
  2. Step 2: Convert to fraction form
    54,938.30/82,407.44 = 19,869.75/x
  3. Step 3: Cross multiply
    54,938.30x = 82,407.44 × 19,869.75
  4. Step 4: Simplify right side
    54,938.30x = 1,637,415,280.61
  5. Step 5: Solve for x
    x = 1,637,415,280.61/54,938.30
  6. Step 6: Final answer
    x = 29,804.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.